auth.ts

import { PrismaAdapter } from '@auth/prisma-adapter';
import NextAuth from 'next-auth';
import Google from 'next-auth/providers/google';
import Kakao from 'next-auth/providers/kakao';
import Naver from 'next-auth/providers/naver';

import { prisma } from './backend/infra/db/prisma/prismaClient';

export const { handlers, auth, signIn, signOut } = NextAuth({
  adapter: PrismaAdapter(prisma),
  session: { strategy: 'jwt' },
  providers: [
    Google,
    Naver({
      profile(profile) {
        const name = profile.response.name || profile.response.nickname;
        return {
          id: profile.response.id,
          name,
          email: profile.response.email ?? '',
          image: profile.response.profile_image ?? null,
        };
      },
    }),
    Kakao({
      authorization: {
        url: 'https://kauth.kakao.com/oauth/authorize',
        params: {
          scope: 'profile_nickname profile_image account_email',
          prompt: 'login',
        },
      },
    }),
  ],
  callbacks: {
    async jwt({ token, user }) {
      if (user) {
        token.id = user.id;
      }
      return token;
    },

    async session({ session, token }) {
      session.user.id = token.id as string;
      return session;
    },
  },
});